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FC-28-C Soil Moisture Detection Control Module + Soil Humidity Sensor - Blue
Model: FC-28-C- Quantity: 1 piece- Color: Blue- Material: PCB- This is a simple soil sensor can be used to detect soil moisture when the soil moisture deficit module plant watered device£¬ so that the plants in your garden without people to manage- Adjustable sensitivity adjusts the digital potentiometer (shown in blue)- Features time delaying function£¬ about 3~5 seconds£¬ when it detects humidity in the critical state£¬ relay will not flash£¬ turns to quick flash- With time displaying function£¬ after adjusts humidity value£¬ need to wait for 5~8s£¬ the green LED indicator will change£¬ until adjust the humidity value to the your need- Packing list:- 1 x Soil moisture control module- 1 x Soil humidity sensor- 2 x Dupont lines